Blender wireframe without backface issues
For Eevee:
Your node setup is perfect. Make sure to go to material settings and tick &quot;Backface Culling&quot;. And right below that check box is Blend Mode. For Eevee transparency to work, you must change Blend Mode from &quot;Opaque&quot; to &quot;Alpha Blend&quot; or something else.

If you want to do this in Cycles, you will need this setup: